CN211789653U - Wireless earphone charging connector - Google Patents

Abstract

A wireless earphone charging connector comprises a pair of charging electrodes, a first insulator and a second insulator, wherein the first insulator and the second insulator combine the pair of charging electrodes into a whole, each charging electrode comprises an arc-shaped contact part and a conductive pin formed by extending the lower end of the arc-shaped contact part, an isolation gap is formed between the pair of charging electrodes, the pair of charging electrodes are connected into a whole after the first insulator is formed, and the isolation gap is sealed by the second insulator. This application wireless earphone charging connector manufacturing cost is lower, and production efficiency is higher.

Description

Wireless Headphone Charging Connector

technical field

The present application relates to the field of electrical connectors, in particular to a wireless earphone charging connector.

Background technique

Since Apple launched the Airpods earphones, the true wireless stereo earphones (TWS) have been accepted and loved by the majority of users. The wireless headset is connected to the electronic device without a connection cable, but is connected through Bluetooth. At this time, the wireless headset needs to be powered by itself to run. The existing wireless headset is the same as the traditional headset, and the previous cable connection is replaced with a rechargeable one. The electrodes charge the wireless earphones. Existing charging electrodes are generally manufactured by powder metallurgy process, and then a pair of charging electrodes are placed in an injection mold for injection molding to obtain a charging connector. First of all, the manufacturing cost of powder metallurgy is high in this process, and it can only be manufactured individually, and the size is small, which is difficult to manufacture. During injection molding, a pair of charging electrodes needs to be positioned one by one, which causes a large workload and is not conducive to large batches. Automated manufacturing.

Utility model content

In view of this, it is necessary to provide a wireless earphone charging connector to achieve lower manufacturing cost and higher production efficiency.

In order to solve the above technical problems, the present application provides a wireless earphone charging connector, which includes a pair of charging electrodes, a first insulator and a second insulator that combine the pair of charging electrodes into one, and each charging electrode includes an arc-shaped contact portion. and a conductive pin extending from the lower end of the arc-shaped contact portion, an isolation gap is formed between a pair of the charging electrodes, and the first insulator is formed to connect the pair of charging electrodes as a whole, and the first insulator is formed. Two insulators close the isolation gap.

Preferably, a pair of the charging electrodes includes a charging positive electrode and a charging negative electrode, a top opening is formed on the top of the arc-shaped contact portion of the charging positive electrode and the charging negative electrode, and the top opening is filled and closed by the second insulator.

Preferably, the charging electrodes are made by stamping and forming, and several groups of charging electrodes are connected together by a material tape.

Preferably, a bridge body connecting the charging positive electrode and the charging negative electrode is formed at the position of the top opening, and the bridge body includes a bridging body and a bridge extending from the bridging body and connecting the charging positive electrode and the charging negative electrode. connection pin.

Preferably, the connecting pins include two pairs, and each pair is respectively connected to the arc-shaped contact portion of the charging positive electrode or the charging negative electrode located at the isolation gap.

Preferably, the material strip includes a material belt main body and a connecting body connecting the material belt main body and the bridge body.

Preferably, the connecting body is connected to the bridging body through the isolation gap.

Preferably, an arc surface accommodating portion is formed under the arc-shaped contact portion, and the first insulator includes an arc surface attaching portion attached under the arc surface accommodating portion and two connecting parts located under the charging positive electrode and the charging negative electrode respectively. The connecting beam of the arc surface fitting part, the connecting beam crosses the isolation gap, and the connecting body is connected to the bridging body from above the connecting beam.

Preferably, when the first insulator is cutting the bridge body, a hole to be filled is formed at the position corresponding to the top opening, and the second insulator fills the hole to be filled and the isolation gap and extends downward to form There are positioning pieces.

Preferably, the conductive pins and the positioning piece are arranged in a staggered position.

The wireless earphone charging connector of the present application is formed by stamping a plurality of pairs of charging positive electrodes and charging negative electrodes that are connected together by a material tape. An insulator, after removing the material strip, molding to fill the voids and the like generated by the material strip 0, compared with the prior art, the present application can improve the production efficiency by 50% and reduce the production cost by 50%.

Description of drawings

The drawings described herein are used to provide further understanding of the present application and constitute a part of the present application. The schematic embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation of the present application. In the attached image:

1 is a perspective view of a wireless earphone charging connector of the present application;

2 is a perspective view of the wireless earphone charging connector of the present application from another angle;

3 is an exploded perspective view of the wireless earphone charging connector of the present application after the first injection molding;

4 is an exploded perspective view of the wireless earphone charging connector of the present application after the second injection molding;

5 is a schematic diagram of a stamping and forming electrode of the wireless earphone charging connector of the present application;

FIG. 6 is a perspective view of the wireless earphone charging connector of the present application after the first injection molding and removal of the material strip;

7 is a perspective view of another angle after the first injection molding of the wireless earphone charging connector of the present application and the material strip is cut off.

Explanation of main component symbols:

Charging electrode-10; charging positive electrode-10a; charging negative electrode-10b; arc contact part-11; conductive pin-12; isolation gap-13; top opening-14; arc surface receiving part-15; first insulator- 30; Arc surface fitting part-31; Bottom surface-32; Avoidance part-33; Connecting beam-331; Avoidance space-332; Hole to be filled 34; Second insulator-20; Filling part-21; Stamping material belt-40; material belt body-41; connecting body-42; bridging body-50; bridging main body-51; connecting foot-52.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below with reference to the specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments.

In the present application, the X direction shown in FIG. 1 is the left-right direction, the Y direction is the front-rear direction, and the Z direction is the upper part of the vertical direction.

Please refer to FIG. 1 and FIG. 2 , the wireless earphone charging connector of the present application includes a pair of charging electrodes 10 , a first insulator 30 formed by molding the charging electrodes 10 into one body, and re-injection-molded between the first insulator 30 and the first insulator 30 . The second insulator 20 on the charging electrode 10 .

Please continue to refer to FIG. 3 and FIG. 4 , the charging electrode 10 includes a charging positive electrode 10 a and a charging negative electrode 10 b , and each charging electrode 10 includes an arc surface contact portion 11 , a conductive electrode extending from the bottom of the arc surface contact portion 11 . The pin 12 and the arc surface receiving portion 15 formed under the arc surface contact portion 11 . An isolation gap 13 is formed between the charging positive electrode 10 a and the charging negative electrode 10 b . The tops of the charging positive electrode 10 a and the charging negative electrode 10 b are hollowed out to form a top opening 14 , and the top opening 14 communicates with the isolation gap 13 . A pair of the conductive pins 12 are formed by bending relative to the bottom of the arc surface contact portion 11 and then extending downward. A pair of the conductive pins 12 are symmetrical to each other.

The first insulator 30 forms the charging positive electrodes 10a and 10b into one body. The first insulator 30 includes a curved surface fitting portion 31 , a bottom portion 32 , and the top portion that fit into the curved surface receiving portion 15 . The hole to be filled 34 corresponding to the opening 14 and the avoidance portion 33 corresponding to the position of the isolation gap 13 . The escape portion 33 includes a connecting beam 331 and an escape space 332 for connecting a pair of the charging electrodes 10 as a whole.

The second insulator 20 includes a filling portion 21 that fills the to-be-filled hole 34 , the avoidance space 332 , and a pair of positioning pieces 22 extending downward. The positioning piece 22 and the conductive pin 12 are arranged in a staggered position.

The manufacturing method of the wireless earphone charging connector of the present application includes the following steps:

S10, using a metal sheet to stamp and form several groups of charging electrodes 10 that are connected as a whole by the material strip 40;

After stamping, a bridge body 50 for connecting the pair of charging electrodes 10 as a whole is formed at the position of the top opening 14 of the pair of charging electrodes 10 . The bridge body 50 includes a bridge body 51 and a bridge body 51 from the bridge body 51 . Several connecting pins 52 which are integrally connected with the charging electrode 10 are extended. The connecting pins 52 include two pairs, and each pair is respectively connected to a charging electrode 10 a , and 10 b is located at the edge of the isolation gap 13 . The material belt 40 includes a material belt main body 41 and a connecting body 42 connecting the material belt main body 41 and the bridging body 50 . The connecting body 42 extends from the isolation gap 13 to the top opening 14 and The bridge body 50 is connected.

S20, cutting off the connecting pins 52 of the bridge body 50 and the charging electrode 10 to separate the material tape 40 and the bridge body 50 from the first insulator 30;

In this step, after the connecting legs 52 are cut off, the material strip 40 and the bridge body 50 can be directly pulled and broken.

S30, placing the charging electrode 10 into an injection mold, and injection molding the second insulator 20 again;

The purpose of this step is to seal the to-be-filled hole 34 and the avoidance space 332 generated when the first insulator 30 is formed by the second insulator 20 . The function of the first insulator 20 is to connect the charging positive electrode 10 a and the charging negative electrode 10 b as a whole when the material strip 40 and the bridging body 50 are removed.

The wireless earphone charging connector of the present application is formed by stamping and forming several pairs of the charging positive electrode 10a and the charging negative electrode 10b that are connected as a whole by the material belt 40, and the charging positive electrode and the charging negative electrode are connected by the material belt 40 to automatically pull the material for the first injection molding to form a connection. The integrated first insulator, after removing the material strip, is formed to fill the gaps generated by the material strip 40 to complete the production of the product. Compared with the prior art, the present application can improve the production efficiency by 50% and reduce the production efficiency by 50%. % production cost.

The above descriptions are merely examples of the present application, and are not intended to limit the present application. Various modifications and variations of this application are possible for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the scope of the claims of this application.

Claims (10)

1. The wireless earphone charging connector is characterized by comprising a pair of charging electrodes, a first insulator and a second insulator, wherein the first insulator and the second insulator combine the pair of charging electrodes into a whole, each charging electrode comprises an arc-shaped contact part and a conductive pin formed by extending from the lower end of the arc-shaped contact part, an isolation gap is formed between the pair of charging electrodes, the pair of charging electrodes are connected into a whole after the first insulator is formed, and the isolation gap is sealed by the second insulator.

2. The wireless headset charging connector of claim 1, wherein the pair of charging electrodes comprises a charging positive electrode and a charging negative electrode, the top of the arc-shaped contact portion of the charging positive electrode and the charging negative electrode is opened with a top opening, and the top opening is filled and closed by the second insulator.

3. The wireless headset charging connector of claim 2, wherein the charging electrodes are formed by stamping, and the plurality of groups of charging electrodes are connected into a whole by a material belt.

4. The wireless headset charging connector of claim 3, wherein a bridge is formed at the top opening and connects the positive charging electrode and the negative charging electrode, and the bridge comprises a bridge body and a connecting pin extending from the bridge body and connecting the positive charging electrode and the negative charging electrode.

5. The wireless headset charging connector of claim 4, wherein the connection pins comprise two pairs, each pair being connected to an arcuate contact of the positive or negative charging pole, respectively, at the separation gap.

6. The wireless headset charging connector of claim 5, wherein the strip of material comprises a strip of material body and a connecting body connecting the strip of material body with the bridge.

7. The wireless headset charging connector of claim 6, wherein the connecting body is connected to the bridge body through the isolation gap.

8. The wireless headset charging connector of claim 7, wherein an arc receiving portion is formed below the arc contact portion, the first insulator includes an arc engaging portion engaging under the arc receiving portion and a connecting beam connecting the two arc engaging portions under the charging positive electrode and the charging negative electrode, the connecting beam crosses the isolation gap, and the connecting body is connected to the bridge body from above the connecting beam.

9. The wireless headset charging connector of claim 8, wherein the first insulator forms a hole to be filled at a position corresponding to the top opening when the bridge is cut off, and the second insulator fills the hole to be filled and the isolation gap and extends downward to form a positioning piece.

10. The wireless headset charging connector of claim 9, wherein the conductive pin is offset from the locator tab.

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